STUDIES ON ANTIMICROBIAL SUBSTANCE B 44 P (STREPTOVARICIN) PRODUCED BY A STRAIN OF ACTINOMYCETES. I

PRODUCTION, EXTRACTION AND CHARACTERISTICS OF SUBSTANCE B44 P AND THE IDENTITY OF THE SUBSTANCE WITH STREPTOVARCIN

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A pigment antibiotic, substance B44P, was obtained from the cultural liquid of Streptomyces species No. B 44-P 1 almost identified with Streptomyces spectabilis. Seven components were detected in the substance B44P by thin layer chromatography. Two main components (A, B) and a minor one (C) being identical with streptovaricins were purified.